165780890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7259

約数の個数: 48

約数和(自身を含む): 345310560

約数和(自身を除く): 179529670

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 4598, 7211, 11495, 14422, 22990, 36055, 72110, 79321, 137009, 158642, 274018, 396605, 685045, 793210, 872531, 1370090, 1507099, 1745062, 3014198, 4362655, 7535495, 8725310, 15070990, 16578089, 33156178, 82890445, 165780890]

約数ペア:

[(1, 165780890), (2, 82890445), (5, 33156178), (10, 16578089), (11, 15070990), (19, 8725310), (22, 7535495), (38, 4362655), (55, 3014198), (95, 1745062), (110, 1507099), (121, 1370090), (190, 872531), (209, 793210), (242, 685045), (418, 396605), (605, 274018), (1045, 158642), (1210, 137009), (2090, 79321), (2299, 72110), (4598, 36055), (7211, 22990), (11495, 14422)]